Magthea (Magisch Theater) is an alias used by experimental music artist Sandy Nijs (of Hybryds, Na-Dha, ex-Klinik). Nijs had released few albums under this name in mid '80s – early '90s, participated in a number of independent zine labels' cassette compilations (aka Magthea And JR Smets). He also collaborated with saxophonist Barry Edgar Pilcher.